US 12,320,045 B2
Apparatus and process for deforming a web
Xiaoxin Liu, Beijing (CN); Tong Tong, Beijing (CN); Kun Sun, Beijing (CN); and Xiaohui Dong, Beijing (CN)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Oct. 15, 2021, as Appl. No. 17/502,188.
Claims priority of application No. PCT/CN2020/125264 (WO), filed on Oct. 30, 2020; and application No. PCT/CN2021/108207 (WO), filed on Jul. 23, 2021.
Prior Publication US 2022/0136153 A1, May 5, 2022
Int. Cl. D04H 1/541 (2012.01); A61F 13/15 (2006.01); D04H 1/407 (2012.01)
CPC D04H 1/541 (2013.01) [A61F 13/15577 (2013.01); D04H 1/407 (2013.01); A61F 2013/15934 (2013.01); D10B 2509/026 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An apparatus comprising a pair of counter-rotating rolls that form a nip therebetween, the pair of rolls comprising:
a) a first roll comprising
a surface,
a plurality of projections extending radially outwardly from the surface of the first roll, and
a plurality of concaves formed inwardly from the surface of the first roll;
wherein at least one of the concaves is substantially surrounded by some of the projections; wherein the plurality of concaves each have an area no less than about 50 mm2; and
b) a second roll comprising a surface;
wherein the plurality of concaves are configured to correspond to the surface on the second roll when the first roll and the second roll are intermeshed; and
wherein the plurality of concaves have a recessed bottom.